NXP Semiconductors LPC844M201JBD48K

Overview

LPC844M201JBD48K from NXP Semiconductors is a 32-bit Arm Cortex-M0+ microcontroller operating at up to 30 MHz, featuring 64 KB flash, 8 KB SRAM, one 12-bit ADC (12-channel, 1.2 Msps), two 10-bit DACs, and capacitive touch interface - deployed in sensor gateways and portable industrial controls requiring low-power mixed-signal processing.

For engineers reviewing the LPC844M201JBD48K datasheet, LPC844M201JBD48K pinout, LPC844M201JBD48K application, or LPC844M201JBD48K equivalent, key selection considerations include its LQFP48 package with 42 GPIOs, dual I2C/SPI/USART interfaces, self-wake-up timer support, and absence of capacitive touch hardware compared to LPC845 variants.

Technical Context

The LPC844M201JBD48K implements an Arm Cortex-M0+ core (r0p1) with single-cycle I/O, NVIC, and Micro Trace Buffer, paired with a multilayer AHB matrix and Serial Wire Debug interface supporting four breakpoints and two watchpoints. Its clock system integrates a trimmable Free Running Oscillator (±1% over 0–70°C), PLL, crystal oscillator (1–25 MHz), and programmable watchdog oscillator (9.4 kHz–2.3 MHz).

Digital peripherals include a switch-matrix-configurable I/O subsystem with 42 GPIOs (5 V tolerant, configurable pull-up/down, open-drain, digital filter), CRC engine, 25-channel DMA, and pattern-match interrupt engine on eight inputs. Analog resources comprise a 12-bit ADC with dual conversion sequences and external/internal trigger support, two 10-bit DAC outputs, and a five-input analog comparator - but no capacitive touch interface, as confirmed by Table 2 in the datasheet.

Key Specifications

Pinout & Package

LPC844M201JBD48K uses a Plastic Low Profile Quad Flat Package (LQFP48) with 48 leads, 7 mm × 7 mm body, 1.4 mm height, and standard 0.5 mm lead pitch - compatible with automated SMT assembly and reflow profiles per JEDEC J-STD-020.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with LPC845M301JBD48, LPC844M201JBD48K trades capacitive touch and extra memory for lower BOM cost; versus LPC824M201JHI33, it adds dual DACs and 13 more GPIOs in the same LQFP48 footprint - making it optimal for analog-rich portable controls.

Availability

LPC844M201JBD48K is available at Aetrix Electronics and suitable for sensor gateways, industrial portable controls, and lighting control nodes requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for LPC844M201JBD48K includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with broad MCU, RF, and security IP portfolios.

The LPC84x product line delivers cost-optimized, low-power Arm Cortex-M0+ MCUs targeting resource-constrained embedded systems requiring analog integration, flexible I/O, and robust debug - especially in industrial sensing and control.

FAQ

What is the maximum operating frequency of the LPC844M201JBD48K?

The LPC844M201JBD48K operates at a maximum CPU frequency of 30 MHz, achieved via its integrated PLL or directly from the trimmed Free Running Oscillator (FRO). This frequency is sustained across the full 1.8 V–3.6 V supply range and -40 °C to +105 °C temperature range, enabling deterministic real-time performance in industrial environments.

Does the LPC844M201JBD48K include a capacitive touch interface?

No, the LPC844M201JBD48K does not include capacitive touch interface hardware. As confirmed in Table 2 of the official datasheet, "Capacitive Touch" is marked as "-" for all LPC844 variants, including LPC844M201JBD48K. This distinguishes it from LPC845 family members which explicitly list "yes" for this feature.

How many analog-to-digital converter (ADC) channels does the LPC844M201JBD48K support?

The LPC844M201JBD48K integrates a single 12-bit successive-approximation ADC with up to 12 input channels (ADC_0 through ADC_11), supporting sample rates up to 1.2 million samples per second and two independent conversion sequences - enabling concurrent acquisition of multiple sensor signals with flexible triggering.

What debug interface is supported by the LPC844M201JBD48K?

The LPC844M201JBD48K supports Serial Wire Debug (SWD) as its primary debug interface, implemented on dedicated pins PIO0_2 (SWDIO) and PIO0_3 (SWCLK). It includes four hardware breakpoints and two watchpoints, plus Micro Trace Buffer (MTB) for instruction trace - fully compatible with standard Arm Cortex-M debug tools like LPC-Link2 and SEGGER J-Link.

What is the flash and SRAM memory configuration of the LPC844M201JBD48K?

The LPC844M201JBD48K contains 64 KB of on-chip flash memory organized in 64-byte pages for efficient erase/write operations, and 8 KB of SRAM split into two contiguous 4 KB banks. Unlike the LPC845 variant, it does not allocate SRAM for MTB usage - preserving full 8 KB for application data and stack.